On Fri, Jun 20, 2003 at 11:49:22AM -0500, Eli Carter wrote:
> Hmm... basically you want to trim the x86 instruction set to get closer
> to RISC mentality. Interesting. gcc may already do that to some extent
> by not using the really complex instructions. If that is the case,
> dropping those instructions might give some room for testing some of its
> possible benefits. I doubt restricting the registers used by some
> instructions would help... I've heard comments that the x86 is
> register-starved enough already.
Newer CPUs do register renaming in an attempt to avoid the
register-starved ISA issue. I presume Xmeta would do something
similar...
Jeff
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